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Table 4 Il28B favourable genotype prevalence reported in different countries

From: IL28B gene polymorphism rs12979860, but not rs8099917, contributes to the occurrence of chronic HCV infection in Uruguayan patients

IL28B SNP Uninfected population % (n) HCV-infected population % (n) Country Year of publication
Rs12979860; CC
  44.7 (378) 45.6 (283) Spain 2010 [42]
  45.1 (122) 26.9 (108) Egypt 2015 [43]
  44.6 (92) 32.1 (136) Turkey 2015 [41]
  43.7 (142) 38.0 (921) – 42.0 (100) Iran 2012 [49], 2016 [50]
  86.9 (320) 88.6 (297) China 2015 [51]
  ND 24.1 (83) Mexico 2012 [25]
  35.7 (185) ND Bolivia 2014 [26]
  38.1 (76) ND Peru 2014 [26]
  38.8 (98) ND Paraguay 2014 [26]
  37.0 (405) 20.2 (99) Chile 2013 [27], 2011 [28]
  51.6 (991) 18.4 (102) Argentina 2014 [26], 2011 [29]
  47.4 (190) 24.0 (221) – 30.9 (175) Brazil 2012 [31], 2015 [30]
  45.6 (92) 29.5 (78) Uruguay This study
rs8099917; TT
  64.1 (142) 58.3 (921) Iran 2012 [49]
  88.7 (320) 89.6 (297) China 2015 [51]
  89.3 (197) 81.0 (400) Taiwan 2016 [45]
  ND 27.5 (80) Mexico 2012 [25]
  46.9 (405) 29.3 (99) Chile 2013 [27], 2011 [28]
  ND 40.2 (102) Argentina 2011 [29]
  67.8 (199) 54.2 (177) – 63.1 (222) Brazil 2015 [30], 2012 [31]
  60.9 (92) 57.7 (78) Uruguay This study